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🔍 ankur raina 📂 Computer Science
Showing 108 results for "ankur raina" in Computer Science
Computer Science Preprint PDF DOI

Probabilistic Abduction in a Fuzzy Logic Framework

Tommaso Flaminio, Katsumi Inoue, Daniil Kozhemiachenko · 2026

We study the problem of explaining observations about the probabilities of events, such as "it rains $20\%$ of the time", "rain and snow are equally likely", etc. We explain these statements with a pr…

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Computer Science Preprint PDF DOI

Depictions of Depression in Generative AI Video Models: A Preliminary Study of OpenAI's Sora 2

Matthew Flathers, Griffin Smith, Julian Herpertz, Zhitong Zhou, John Torous · 2026

Generative video models are increasingly capable of producing complex depictions of mental health experiences, yet little is known about how these systems represent conditions like depression. This st…

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Computer Science Preprint PDF DOI

Measuring Weather Effects and Link Quality Dynamics in LEO Satellite Networks

Clemens Lottermoser, Simon Damm, Stefan Schmid · 2026

This paper presents an empirical study of dynamic factors affecting link quality in Low Earth Orbit (LEO) satellite communications, using Starlink as a case study. Over 56 days, 112 high-quality meteo…

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Computer Science Preprint PDF DOI

RAIN: Secure and Robust Aggregation under Shuffle Model of Differential Privacy

Yuhang Li, Yajie Wang, Xiangyun Tang, Peng Jiang, Yu-an Tan, Liehuang Zhu · 2026

Secure aggregation is a foundational building block of privacy-preserving learning, yet achieving robustness under adversarial behavior remains challenging. Modern systems increasingly adopt the shuff…

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Computer Science Preprint PDF DOI

Closing Africa's Early Warning Gap: AI Weather Forecasting for Disaster Prevention

Qness Ndlovu · 2026

In January 2026, torrential rains killed 200-300 people across Southern Africa, exposing a critical reality: 60% of the continent lacks effective early warning systems due to infrastructure costs. Tra…

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Computer Science Preprint PDF DOI

Lumos: Let there be Language Model System Certification

Isha Chaudhary, Vedaant Jain, Prineet Parhar, Kavya Sachdeva, Avaljot Singh, Sayan Ranu, Gagandeep Singh · 2025

We introduce the first principled framework, Lumos, for specifying and formally certifying Language Model System (LMS) behaviors. Lumos is an imperative probabilistic programming DSL over graphs, with…

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Computer Science Preprint PDF DOI

DropleX: Liquid sensing on tablet touchscreens

Siqi Zhang, Mayank Goel, Justin Chan · 2025

We present DropleX, the first system that enables liquid sensing using the capacitive touchscreen of commodity tablets. DropleX detects microliter-scale liquid samples, and performs non-invasive, thro…

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Computer Science Preprint PDF DOI

Selected Results from the REDMARS2 Project: Recursive Delay-Tolerant Networking using Bundle-in-Bundle Encapsulation

Marius Feldmann, Tobias Nothlich, Felix Walter, Maximilian Nitsch, Juan A. Fraire, Georg A. Murzik, Fiona Fuchs · 2025

This whitepaper presents parts of the results of the REDMARS2 project conducted in 2021-2022, exploring the integration of Recursive Internetwork Architecture (RINA) concepts into Delay- and Disruptio…

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Computer Science Preprint PDF DOI

Development of a Smart Autonomous Irrigation System Using Iot and AI

Yunus Emre Kunt · 2025

Agricultural irrigation ensures that the water required for plant growth is delivered to the soil in a controlled manner. However, uncontrolled management can lead to water waste while reducing agricu…

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Computer Science Preprint PDF DOI

Impact of Weather on Satellite Communication: Evaluating Starlink Resilience

Muhammad Asad Ullah, Antti Heikkinen, Mikko Uitto, Antti Anttonen, Konstantin Mikhaylov · 2025

Satellite communications have emerged as one of the most feasible solutions to provide global wireless coverage and connect the unconnected. Starlink dominates the market with over 7,000 operational s…

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Computer Science Preprint PDF DOI

Audio Personas: Augmenting Social Perception via Body-Anchored Audio Cues

Yujie Tao, Libby Ye, Jeremy N. Bailenson, Sean Follmer · 2025

We introduce Audio Personas, enabling users to "decorate" themselves with body-anchored sounds in audio augmented reality. Like outfits, makeup, and fragrances, audio personas offer an alternative yet…

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Computer Science Preprint PDF DOI

Controllable Weather Synthesis and Removal with Video Diffusion Models

Chih-Hao Lin, Zian Wang, Ruofan Liang, Yuxuan Zhang, Sanja Fidler, Shenlong Wang, Zan Gojcic · 2025

Generating realistic and controllable weather effects in videos is valuable for many applications. Physics-based weather simulation requires precise reconstructions that are hard to scale to in-the-wi…

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Computer Science Preprint PDF DOI

Pseudo-Label Guided Real-World Image De-weathering: A Learning Framework with Imperfect Supervision

Heming Xu, Xiaohui Liu, Zhilu Zhang, Hongzhi Zhang, Xiaohe Wu, Wangmeng Zuo · 2025

Real-world image de-weathering aims at removingvarious undesirable weather-related artifacts, e.g., rain, snow,and fog. To this end, acquiring ideal training pairs is crucial.Existing real-world datas…

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Computer Science Preprint PDF DOI

RainyGS: Efficient Rain Synthesis with Physically-Based Gaussian Splatting

Qiyu Dai, Xingyu Ni, Qianfan Shen, Wenzheng Chen, Baoquan Chen, Mengyu Chu · 2025

We consider the problem of adding dynamic rain effects to in-the-wild scenes in a physically-correct manner. Recent advances in scene modeling have made significant progress, with NeRF and 3DGS techni…

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Computer Science Preprint PDF DOI

You Only Train Once: A Flexible Training Framework for Code Vulnerability Detection Driven by Vul-Vector

Bowen Tian, Zhengyang Xu, Mingqiang Wu, Songning Lai, Yutai Yue · 2025

With the pervasive integration of computer applications across industries, the presence of vulnerabilities within code bases poses significant risks. The diversity of software ecosystems coupled with …

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Computer Science Preprint PDF DOI

DCI: A Coordinated Allocation and Filling Workload-Aware Dual-Cache Allocation GNN Inference Acceleration System

Yi Luo, Yaobin Wang, Qi Wang, Yingchen Song, Huan Wu, Qingfeng Wang, Jun Huang · 2025

Graph Neural Networks (GNNs) are powerful tools for processing graph-structured data, increasingly used for large-scale real-world graphs via sampling-based inference methods. However, inherent charac…

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Computer Science Preprint PDF DOI

LoRA-C: Parameter-Efficient Fine-Tuning of Robust CNN for IoT Devices

Chuntao Ding, Xu Cao, Jianhang Xie, Linlin Fan, Shangguang Wang, Zhichao Lu · 2024

Efficient fine-tuning of pre-trained convolutional neural network (CNN) models using local data is essential for providing high-quality services to users using ubiquitous and resource-limited Internet…

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Computer Science Preprint PDF DOI

Semantic Communication Enabled 6G-NTN Framework: A Novel Denoising and Gateway Hop Integration Mechanism

Loc X. Nguyen, Sheikh Salman Hassan, Yan Kyaw Tun, Kitae Kim, Zhu Han, Choong Seon Hong · 2024

The sixth-generation (6G) non-terrestrial networks (NTNs) are crucial for real-time monitoring in critical applications like disaster relief. However, limited bandwidth, latency, rain attenuation, lon…

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Computer Science Preprint PDF DOI

Rina: Enhancing Ring-AllReduce with In-network Aggregation in Distributed Model Training

Zixuan Chen, Xuandong Liu, Minglin Li, Yinfan Hu, Hao Mei, Huifeng Xing, Hao Wang, Wanxin Shi, Sen Liu, Yang Xu · 2024

Parameter Server (PS) and Ring-AllReduce (RAR) are two widely utilized synchronization architectures in multi-worker Deep Learning (DL), also referred to as Distributed Deep Learning (DDL). However, P…

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Computer Science Preprint PDF DOI

Predicting cognitive load in immersive driving scenarios with a hybrid CNN-RNN model

Mehshan Ahmed Khan, Houshyar Asadi, Mohammad Reza Chalak Qazani, Adetokunbo Arogbonlo, Saeid Nahavandi, Chee Peng Lim · 2024

One debatable issue in traffic safety research is that cognitive load from sec-ondary tasks reduces primary task performance, such as driving. Although physiological signals have been extensively used…

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